<p>A 49-year-old man was found dead in his travel trailer Sunday morning, according to Deputy Coroner Michael Head.</p><p>At 1:39 a.m., a Tidmore Bend firefighter heard an explosion and went looking for the source. He saw smoke and found the trailer on fire. The man was found on North Oak Road in Gadsden.</p><p>An autopsy is pending, and the State Fire Marshal, Etowah County Sheriff's Office and the Coroner's Office are all investigating.</p>